3561622013 has 8 divisors (see below), whose sum is σ = 3722113536. Its totient is φ = 3401600400.

The previous prime is 3561621997. The next prime is 3561622021. The reversal of 3561622013 is 3102261653.

3561622013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3561622013 - 2⁴ = 3561621997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561622033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101933 + ... + 132338.

It is an arithmetic number, because the mean of its divisors is an integer number (465264192).

Almost surely, 2^3561622013 is an apocalyptic number.

It is an amenable number.

3561622013 is a deficient number, since it is larger than the sum of its proper divisors (160491523).

3561622013 is a wasteful number, since it uses less digits than its factorization.

3561622013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234955.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3561622013 is about 59679.3265126208. The cubic root of 3561622013 is about 1527.1532085514.

Adding to 3561622013 its reverse (3102261653), we get a palindrome (6663883666).

The spelling of 3561622013 in words is "three billion, five hundred sixty-one million, six hundred twenty-two thousand, thirteen".